Patents by Inventor Francis W Tsui

Francis W Tsui has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Service substitution techniques
    Patent number: 8352982
    Abstract: Service substitution techniques are described. In an implementation, a substitution table is derived that specifies one or more service substitutions to be performed for content and that specifies particular geographic locations to perform at least one service substitution. One or more communications are formed to be streamed over a packet-switched network to a client that is to perform the at least one service substitution. The one or more communications include the substitution table and the content that corresponds to the at least one service substitution.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: January 8, 2013
    Assignee: Microsoft Corporation
    Inventors: David L de Heer, Majd Bakar, Francis W Tsui, Victor S Lee, Sivaprasad Lakshmi Radhakrishnan
  • Service Substitution Techniques
    Publication number: 20090187938
    Abstract: Service substitution techniques are described. In an implementation, a substitution table is derived that specifies one or more service substitutions to be performed for content and that specifies particular geographic locations to perform at least one service substitution. One or more communications are formed to be streamed over a packet-switched network to a client that is to perform the at least one service substitution. The one or more communications include the substitution table and the content that corresponds to the at least one service substitution.
    Type: Application
    Filed: January 18, 2008
    Publication date: July 23, 2009
    Applicant: MICROSOFT CORPORATION
    Inventors: David L. de Heer, Majd Bakar, Francis W. Tsui, Victor S. Lee, Sivaprasad Lakshmi Radhakrishnan